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Compositional effects on element partitioning between Mg-silicate perovskite and silicate melts

Abstract:

High-pressure melting experiments were performed at ∼26 GPa and ∼2,200-2,400° C on synthetic peridotite compositions with varying FeO and Al2O3 contents and on a synthetic CI chondrite analogue composition. Peridotite liquids show a crystallisation sequence of ferropericlase (Fp) followed down temperature by Mg-silicate perovskite (MgPv) + Fp, which contrasts a sequence of MgPv followed by MgPv + Fp observed in the chondritic composition. The difference in crystallisation sequence is a conseq...

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Publication status:
Published

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Publisher copy:
10.1007/s00410-004-0641-8

Authors


Liebske, C More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Journal:
CONTRIBUTIONS TO MINERALOGY AND PETROLOGY
Volume:
149
Issue:
1
Pages:
113-128
Publication date:
2005-03-05
DOI:
EISSN:
1432-0967
ISSN:
0010-7999
URN:
uuid:fec6a938-d548-4107-806b-00565ac563c4
Source identifiers:
163741
Local pid:
pubs:163741
Language:
English

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